Dom is at the London parking and traffic tribunals, where he meets a driver who is appealing a parking fine - he says the machine wasn't working, but will adjudicator Caroline believe him? In Enfield, Elaine and Vicky's blue-badge patrol turns up a 100-year-old holder.

Dom heads to Newcastle Central Station to join waste enforcer Dave, who is keen to catch cigarette droppers and fine them. And it is bad-driver bingo in Manchester as PC Matt Picton fines a driver going the wrong way down a one way street, a seatbelt ignorer and a mobile phone user.

Dom joins Enfield environmental crime officers Frankie and April as they investigate a massive fly-tip - and come across the remnants of a cannabis farm. And in Birmingham the London Midland Revenue Protection team hand out penalty fares to ticket dodgers and first-class-carriage abusers.

Dom joins traffic warden Debs as she hands out parking tickets in the seaside town of Tenby - and meets a camper van owner who has overstayed his welcome. And in Staffordshire, the magnificent Enville Estate has been plagued by massive fly-tips, but owners Diana and George are ready to fight back.

In London, Dom joins a team of DVSA inspectors who are stopping and fining drivers of commercial vehicles that could be putting people at risk. And Manchester traffic cop Matt Picton is called to a serious road traffic collision. Was the driver on their mobile phone?

Dom is with West Mercia Police as a call comes in about a potential firearms incident. Pendle waste enforcers Jon and Lesley have to deal with a pizza takeaway who appear to be dumping their rubbish where they shouldn't. Faced with the prospect of a hefty fine, will the manager confess?

Dom is in Cardiff, where Steph and Lauren are out to catch and fine litter droppers. In Sidmouth in Devon, the council is clamping down on visitors feeding the gulls by way of an £80 on-the-spot fine.

Dom is in Manchester with busy traffic cop Matt Picton, who pulls over a suspected litterer only to find he is a wanted man. The programme also hears about one of Croydon's most notorious fly-tippers, whose methods have to be seen to be believed.

Dom spends a busy bank holiday in Tenby, west Wales, with traffic wardens Debs and Helen as they hand out tickets to illegally parked holidaymakers. Environmental crime officers Jon and Jeff investigate some domestic fly-tipping in Pendle and receive abuse for their trouble.

In Birmingham, Dom joins the Revenue Protection Team from London Midland Trains as they catch and fine almost a hundred fare dodgers in just two hours. And seasoned car clamper Andrew is patrolling the streets of Cardiff clamping and fining car tax evaders.